Perfume flask



FIG. 1 is a front elevational view of a perfume flask showing my new design;

FIG. 2 is a right side elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a rear elevational view; and,

FIG. 5 is a bottom plan view thereof.

The side of the perfume flask not shown is a mirror image of the side shown in FIG. 2. 

The ornamental design for a perfume flask, as shown and described. 